Abstract: A circuit for inductively transferring electrical energy from a primary side to a secondary side has a primary-sided autoresonant power oscillator compensated in parallel having a primary inductivity and serially compensated secondary sides each having a secondary inductivity.

Abstract: A device performing a power gating operation includes a switch control signal generation circuit and a power gating circuit. The switch control signal generation circuit controls an operation that generates a first switch control signal and a second switch control signal from a mode signal based on a comparison result of a first power source voltage and a second power source voltage until a mode register set operation is performed after a power-up period ends. The power gating circuit drives a power source voltage to the first power source voltage or the second power source voltage based on the first switch control signal and the second switch control signal.

Abstract: The disclosure provides a multi-voltage chip, including a regulator circuit, a high-voltage domain controller, a low-voltage domain controller, and a digital logic circuit. The regulator circuit receives and responds to a feedback signal, a regulating start signal, and a reference voltage to convert a system high voltage into a regulated voltage. The high-voltage domain controller receives a power signal and the system high voltage to provide the reference voltage and the regulating start signal. The low-voltage domain controller is coupled to the high-voltage domain controller and receives the regulated voltage to provide a system start signal in response to the regulating start signal. The digital logic circuit is coupled to the regulator circuit to receive the regulated voltage and provide the feedback signal, and is coupled to the low-voltage domain controller to operate in response to the system start signal.

Abstract: A voltage doubler circuit supports operation in both a positive voltage boosting mode to positively boost voltage from a first node to a second node and a negative voltage boosting mode to negatively boost voltage from the second node to the first node. The voltage doubler circuit is formed by transistors of a same conductivity type that share a common bulk that is not tied to a source of any of the voltage doubler circuit transistors. A bias generator circuit is coupled to receive a first voltage from the first node and second voltage from the second node. The bias generator circuit operates to apply a lower one of the first and second voltages to the common bulk.

Abstract: According to one embodiment, there is provided a control method. The method includes controlling a frequency of a clock to a first frequency. The method includes changing the frequency of the clock from the first frequency to a second frequency lower than the first frequency. The method includes statically predicting a time for which the second frequency is to be continued. The method includes changing the frequency of the clock from the second frequency to the first frequency after the time for which the second frequency is to be continued elapses from a timing when the frequency of the clock is changed to the second frequency.

Abstract: The present disclosure relates to voltage regulator circuitry comprising an input for receiving a supply voltage, an output for outputting an output voltage, and control circuitry configured to receive a reference voltage. The voltage regulator circuitry is selectively operable in either a closed-loop mode in which the control circuitry receives a voltage indicative of the output voltage such that the voltage regulator circuitry regulates the output voltage based on the voltage indicative of the output voltage and the reference voltage received by the control circuitry or an open-loop mode in which the control circuitry does not receive the voltage indicative of the output voltage and the voltage regulator circuitry regulates the output voltage based on the reference voltage received by the control circuitry.

Abstract: In an embodiment, a device for generating a first current from a second current, comprises: an output transistor configured to generate the first current; a first circuit configured to generate a third current representative of the second current and to draw it from a first node; a second circuit configured to generate a fourth current representative of the first current and to supply it to the first node; and a third circuit receiving a fifth current representative of a difference between the third and fourth currents, the third circuit being configured to generate a sixth current representative of the fifth current and to draw it from a control terminal of the output transistor.

Abstract: The wireless power supply sensing system includes a transmitter/receiver and a power reception sensor. The transmitter/receiver has: an oscillation unit for generating electrical power; and a control unit for causing electrical power to be radiated into space and instructing an electrical power supply operation by the power reception sensor. In a first mode, in which the charge amount of a secondary cell is equal to or higher than a threshold value, the control unit controls the power reception sensor so that the electrical power received by the power reception sensor is supplied to a sensor unit, and in a second mode, in which the charge amount of the secondary cell is less than the threshold value, the control unit controls the power reception sensor so that the electrical power received by the power reception sensor is supplied to the secondary cell.

Abstract: A charge pump circuit includes input and output charge pump stages. Each charge pump stage includes a respective voltage input, a respective voltage output, a respective first clock input and a respective second clock input. The voltage input of the input charge pump stage is coupled to a voltage supply terminal. The voltage output of the output charge pump stage is coupled to an output of the charge pump circuit. A clock driver circuit includes a first clock output, a second clock output, a first bias input and a second bias input. The first clock output is coupled to the first clock inputs, and the second clock output is coupled to the second clock inputs. A body bias circuit includes first and second bias outputs. The first bias output is coupled to the first bias input, and the second bias output is coupled to the second bias input.

Abstract: A high voltage generating circuitry includes a charge-pump and control loop; the control loop includes a voltage divider which receives a high voltage and provides a divided high voltage output. A first circuit element provides a first voltage difference signal. A controller generates a feedback signal based on the first voltage difference signal. An oscillator generates clock signals for operating the charge-pump circuitry, with the frequency of the clock signals being controlled with a control signal. A feedforward path with a second circuit element combines a second reference voltage and a second voltage generated by inverting the supply voltage for obtaining a second voltage difference signal. A third circuit element generates a feedforward compensation signal inversely proportional to a voltage difference between the supply voltage and the second reference voltage. A fourth circuit element generates the control signal by summing the feedback signal and the feedforward compensation signal.

Abstract: Provided is a device connected to a clock and data signal lines, comprising: a voltage input unit configured to be inputted with a clock signal as an input signal from the clock signal line and to generate first reference voltage corresponding to a high level of the clock signal; a reference voltage generation unit configured to be inputted with predetermined input voltage and to generate second reference voltage; a voltage regulation unit for generating regulation voltage by using the second reference voltage to convert a level of the first reference voltage; a drive unit for stepping down the regulation voltage to generate output voltage; a control unit; and an output unit connected with the control unit, the drive unit, and the data signal line, for outputting the output voltage to the data signal line in response to input of a high level of a control signal from the control unit.

Abstract: A semiconductor integrated circuit includes a semiconductor power switch element configured to drive an inductive load, a load current sensing circuit configured to sense a load current of the inductive load, a logic circuit configured to output a logic signal responsive to the load current sensing circuit sensing a drop in the load current while the semiconductor power switch element is turned on, a gate voltage pull-down circuit configured to pull down a gate voltage of the semiconductor power switch element upon receiving the logic signal, a clamp diode disposed between a gate of the semiconductor power switch element and a high-potential terminal connected to the inductive load, and a clamp withstand voltage drop circuit configured to switch a first withstand voltage of the clamp diode to a second withstand voltage, which is lower than the first withstand voltage, upon receiving the logic signal.

Abstract: For example, a linear power supply includes an output transistor connected between an input terminal of an input voltage and an output terminal of an output voltage, an internal power supply configured to step down the input voltage to generate a predetermined internal power supply voltage, a reference voltage generator configured to generate a predetermined reference voltage from the internal power supply voltage, an amplifier configured to generate a drive signal for the output transistor such that a feedback voltage in accordance with the output voltage is equal to the reference voltage, a drive current generator configured to generate a drive current for the amplifier, and a drive current controller configured to detect a variation of the internal power supply voltage to variably control the drive current.

Abstract: A power receiver includes a power reception interface that receives wireless power and a controller that transmits an emergency power transmission request for the wireless power during an emergency.

Abstract: A substrate bias generating circuit is provided for generating a substrate bias to a body of a transistor of a functional circuit. The substrate bias generating circuit includes a first transistor and a second transistor which are connected in series between a supply voltage terminal and a ground terminal, and control terminals of the first transistor and the second transistor are coupled to each other. A third transistor includes a terminal electrically coupled to body of one of the first transistor and the second transistor, and another terminal coupled to the body. A resistance element is connected between the terminal of the third transistor and a current input terminal of the first transistor or a current output terminal of the second transistor.

Abstract: The present disclosure is directed towards a power distribution system for a marine vessel. The power distribution system comprises auxiliary, first and second buses and first and second propulsors for propelling the marine vessel. A first power generation system is electrically connected to the first bus and operably connected to the first propulsor. A second power generation system is electrically connected to the second bus and operably connected to the second propulsor. The first and second buses are electrically connected to the auxiliary bus such that electrical power is transferable between the first and second power generation systems for driving the first and/or second propulsors.

Abstract: A power supply circuit included in a computer system is configured to generate a particular voltage level on a regulated power supply node using multiple charge pump circuits coupled together via a regulation device to provide regulation. A first charge pump circuit is configured to, using a voltage of an input power supply node, generate an intermediate voltage level, which is regulated by the regulation device. The second charge pump is configured to generate a voltage level on the regulated power supply node using a regulated version of intermediate voltage level. An impedance of the regulation device is adjusted using results of comparing the voltage level of the regulated power supply node to a reference voltage.

Abstract: A device includes a buck converter coupled to an input node and an output node, and a linear voltage regulator coupled to the input node and to the output node.

Abstract: An integrated circuit (IC) is disclosed that includes a load circuit, and a voltage regulator circuit configured to provide a load voltage and a load current to the load circuit. The voltage regulator circuit can regulate the load voltage based on the load current.

Abstract: An amplitude shift keying (ASK) modulation system includes a linear regulator circuit powered by input direct current (DC) power at a first voltage level and that generates regulated DC power at a second voltage level tracking the first voltage level. The system also includes an intermediate DC power switching circuit that receives a digital data signal and selectively couples an intermediate power node with the input DC power at the first voltage level when the digital data signal represents a first binary value, and with the regulated DC power at the second voltage level when the digital data signal represents a second binary value. The ASK modulation system also includes a radio frequency (RF) driver circuit powered by intermediate DC power received at the intermediate power node and that delivers RF output power representative of the digital data signal to a load at an RF carrier frequency.